Data Structures

Here are the data structures with brief descriptions:
DDS_AllocationSettings_tResource allocation settings
DDS_AsynchronousPublisherQosPolicyConfigures the mechanism that sends user data in an external middleware thread
DDS_AvailabilityQosPolicyConfigures the availability of data
DDS_BatchQosPolicyUsed to configure batching of multiple samples into a single network packet in order to increase throughput for small samples
DDS_BooleanSeqInstantiates FooSeq < DDS_Boolean >
DDS_BuiltinTopicKey_tThe key type of the built-in topic types
DDS_BuiltinTopicReaderResourceLimits_tBuilt-in topic reader's resource limits
DDS_ChannelSettings_tType used to configure the properties of a channel
DDS_ChannelSettingsSeqDeclares IDL sequence< DDS_ChannelSettings_t >
DDS_CharSeqInstantiates FooSeq < DDS_Char >
DDS_ConditionSeqInstantiates FooSeq < DDS_Condition >
DDS_ContentFilter<<interface>> Interface to be used by a custom filter of a DDS_ContentFilteredTopic
DDS_ContentFilterProperty_t<<eXtension>> Type used to provide all the required information to enable content filtering
DDS_Cookie_t<<eXtension>> Sequence of bytes identifying a written data sample, used when writing with parameters
DDS_DatabaseQosPolicyVarious threads and resource limits settings used by RTI Data Distribution Service to control its internal database
DDS_DataReaderCacheStatus<<eXtension>> The status of the reader's cache
DDS_DataReaderListener<<interface>> DDS_Listener for reader status
DDS_DataReaderProtocolQosPolicyAlong with DDS_WireProtocolQosPolicy and DDS_DataWriterProtocolQosPolicy, this QoS policy configures the DDS on-the-network protocol (RTPS)
DDS_DataReaderProtocolStatus<<eXtension>> The status of a reader's internal protocol related metrics, like the number of samples received, filtered, rejected; and status of wire protocol traffic
DDS_DataReaderQosQoS policies supported by a DDS_DataReader entity
DDS_DataReaderResourceLimitsQosPolicyVarious settings that configure how a DDS_DataReader allocates and uses physical memory for internal resources
DDS_DataReaderSeqDeclares IDL sequence < DDS_DataReader >
DDS_DataWriterCacheStatus<<eXtension>> The status of the writer's cache
DDS_DataWriterListener<<interface>> DDS_Listener for writer status
DDS_DataWriterProtocolQosPolicyProtocol that applies only to DDS_DataWriter instances
DDS_DataWriterProtocolStatus<<eXtension>> The status of a writer's internal protocol related metrics, like the number of samples pushed, pulled, filtered; and status of wire protocol traffic
DDS_DataWriterQosQoS policies supported by a DDS_DataWriter entity
DDS_DataWriterResourceLimitsQosPolicyVarious settings that configure how a DDS_DataWriter allocates and uses physical memory for internal resources
DDS_DeadlineQosPolicyExpresses the maximum duration (deadline) within which an instance is expected to be updated
DDS_DestinationOrderQosPolicyControls how the middleware will deal with data sent by multiple DDS_DataWriter entities for the same instance of data (i.e., same DDS_Topic and key)
DDS_DiscoveryConfigQosPolicySettings for discovery configuration
DDS_DiscoveryQosPolicyConfigures the mechanism used by the middleware to automatically discover and connect with new remote applications
DDS_DomainParticipantFactoryQosQoS policies supported by a DDS_DomainParticipantFactory
DDS_DomainParticipantListener<<interface>> Listener for participant status
DDS_DomainParticipantQosQoS policies supported by a DDS_DomainParticipant entity
DDS_DomainParticipantResourceLimitsQosPolicyVarious settings that configure how a DDS_DomainParticipant allocates and uses physical memory for internal resources, including the maximum sizes of various properties
DDS_DoubleSeqInstantiates FooSeq < DDS_Double >
DDS_DurabilityQosPolicyThis QoS policy specifies whether or not RTI Data Distribution Service will store and deliver previously published data samples to new DDS_DataReader entities that join the network later
DDS_DurabilityServiceQosPolicyVarious settings to configure the external RTI Persistence Service used by RTI Data Distribution Service for DataWriters with a DDS_DurabilityQosPolicy setting of DDS_PERSISTENT_DURABILITY_QOS or DDS_TRANSIENT_DURABILITY_QOS
DDS_Duration_tType for duration representation
DDS_DynamicDataA sample of any complex data type, which can be inspected and manipulated reflectively
DDS_DynamicDataInfoA descriptor for a DDS_DynamicData object
DDS_DynamicDataMemberInfoA descriptor for a single member (i.e. field) of dynamically defined data type
DDS_DynamicDataProperty_tA collection of attributes used to configure DDS_DynamicData objects
DDS_DynamicDataSeqAn ordered collection of DDS_DynamicData elements
DDS_DynamicDataTypeProperty_tA collection of attributes used to configure DDS_DynamicDataTypeSupport objects
DDS_DynamicDataTypeSerializationProperty_tProperties that govern how data of a certain type will be serialized on the network
DDS_EndpointGroup_tSpecifies a group of endpoints that can be collectively identified by a name and satisfied by a quorum
DDS_EndpointGroupSeqA sequence of DDS_EndpointGroup_t
DDS_EntityFactoryQosPolicyA QoS policy for all DDS_Entity types that can act as factories for one or more other DDS_Entity types
DDS_EntityNameQosPolicyAssigns a name and a role name to a DDS_DomainParticipant, DDS_DataWriter or DDS_DataReader. These names will be visible during the discovery process and in RTI tools to help you visualize and debug your system
DDS_EnumMemberA description of a member of an enumeration
DDS_EnumMemberSeqDefines a sequence of enumerator members
DDS_EventQosPolicySettings for event
DDS_ExclusiveAreaQosPolicyConfigures multi-thread concurrency and deadlock prevention capabilities
DDS_FloatSeqInstantiates FooSeq < DDS_Float >
DDS_FlowControllerProperty_tDetermines the flow control characteristics of the DDS_FlowController
DDS_FlowControllerTokenBucketProperty_tDDS_FlowController uses the popular token bucket approach for open loop network flow control. The flow control characteristics are determined by the token bucket properties
DDS_GroupDataQosPolicyAttaches a buffer of opaque data that is distributed by means of Built-in Topics during discovery
DDS_GUID_tType for GUID (Global Unique Identifier) representation
DDS_HistoryQosPolicySpecifies the behavior of RTI Data Distribution Service in the case where the value of a sample changes (one or more times) before it can be successfully communicated to one or more existing subscribers
DDS_InconsistentTopicStatusDDS_INCONSISTENT_TOPIC_STATUS
DDS_InstanceHandleSeqInstantiates FooSeq < DDS_InstanceHandle_t >
DDS_KeyedOctetsBuilt-in type consisting of a variable-length array of opaque bytes and a string that is the key
DDS_KeyedOctetsSeqInstantiates FooSeq < DDS_KeyedOctets >
DDS_KeyedOctetsTypeSupport<<interface>> DDS_KeyedOctets type support
DDS_KeyedStringKeyed string built-in type
DDS_KeyedStringSeqInstantiates FooSeq < DDS_KeyedString >
DDS_KeyedStringTypeSupport<<interface>> Keyed string type support
DDS_LatencyBudgetQosPolicyProvides a hint as to the maximum acceptable delay from the time the data is written to the time it is received by the subscribing applications
DDS_LifespanQosPolicySpecifies how long the data written by the DDS_DataWriter is considered valid
DDS_Listener<<interface>> Abstract base class for all Listener interfaces
DDS_LivelinessChangedStatusDDS_LIVELINESS_CHANGED_STATUS
DDS_LivelinessLostStatusDDS_LIVELINESS_LOST_STATUS
DDS_LivelinessQosPolicySpecifies and configures the mechanism that allows DDS_DataReader entities to detect when DDS_DataWriter entities become disconnected or "dead."
DDS_Locator_t<<eXtension>> Type used to represent the addressing information needed to send a message to an RTPS Endpoint using one of the supported transports
DDS_LocatorFilter_tSpecifies the configuration of an individual channel within a MultiChannel DataWriter
DDS_LocatorFilterQosPolicyThe QoS policy used to report the configuration of a MultiChannel DataWriter as part of DDS_PublicationBuiltinTopicData
DDS_LocatorFilterSeqDeclares IDL sequence< DDS_LocatorFilter_t >
DDS_LocatorSeqDeclares IDL sequence < DDS_Locator_t >
DDS_LoggingQosPolicyConfigures the RTI Data Distribution Service logging facility
DDS_LongDoubleSeqInstantiates FooSeq < DDS_LongDouble >
DDS_LongLongSeqInstantiates FooSeq < DDS_LongLong >
DDS_LongSeqInstantiates FooSeq < DDS_Long >
DDS_MultiChannelQosPolicyConfigures the ability of a DataWriter to send data on different multicast groups (addresses) based on the value of the data
DDS_OctetsBuilt-in type consisting of a variable-length array of opaque bytes
DDS_OctetSeqInstantiates FooSeq < DDS_Octet >
DDS_OctetsSeqInstantiates FooSeq < DDS_Octets >
DDS_OctetsTypeSupport<<interface>> DDS_Octets type support
DDS_OfferedDeadlineMissedStatusDDS_OFFERED_DEADLINE_MISSED_STATUS
DDS_OfferedIncompatibleQosStatusDDS_OFFERED_INCOMPATIBLE_QOS_STATUS
DDS_OwnershipQosPolicySpecifies whether it is allowed for multiple DDS_DataWriter (s) to write the same instance of the data and if so, how these modifications should be arbitrated
DDS_OwnershipStrengthQosPolicySpecifies the value of the strength used to arbitrate among multiple DDS_DataWriter objects that attempt to modify the same instance of a data type (identified by DDS_Topic + key)
DDS_ParticipantBuiltinTopicDataEntry created when a DomainParticipant object is discovered
DDS_ParticipantBuiltinTopicDataSeqInstantiates FooSeq < DDS_ParticipantBuiltinTopicData >
DDS_ParticipantBuiltinTopicDataTypeSupportInstantiates TypeSupport < DDS_ParticipantBuiltinTopicData >
DDS_PartitionQosPolicySet of strings that introduces a logical partition among the topics visible by a DDS_Publisher and a DDS_Subscriber
DDS_PresentationQosPolicySpecifies how the samples representing changes to data instances are presented to a subscribing application
DDS_ProductVersion_t<<eXtension>> Type used to represent the current version of RTI Data Distribution Service
DDS_ProfileQosPolicyConfigures the way that XML documents containing QoS profiles are loaded by RTI Data Distribution Service
DDS_Property_tProperties are name/value pairs objects
DDS_PropertyQosPolicyStores name/value(string) pairs that can be used to configure certain parameters of RTI Data Distribution Service that are not exposed through formal QoS policies. Can also be used to store and propagate application-specific name/value pairs that can be retrieved by user code during discovery
DDS_PropertySeqDeclares IDL sequence < DDS_Property_t >
DDS_ProtocolVersion_t<<eXtension>> Type used to represent the version of the RTPS protocol
DDS_PublicationBuiltinTopicDataEntry created when a DDS_DataWriter is discovered in association with its Publisher
DDS_PublicationBuiltinTopicDataSeqInstantiates FooSeq < DDS_PublicationBuiltinTopicData >
DDS_PublicationBuiltinTopicDataTypeSupportInstantiates TypeSupport < DDS_PublicationBuiltinTopicData >
DDS_PublicationMatchedStatusDDS_PUBLICATION_MATCHED_STATUS
DDS_PublisherListener<<interface>> DDS_Listener for DDS_Publisher status
DDS_PublisherQosQoS policies supported by a DDS_Publisher entity
DDS_PublisherSeqDeclares IDL sequence < DDS_Publisher >
DDS_PublishModeQosPolicySpecifies how RTI Data Distribution Service sends application data on the network. This QoS policy can be used to tell RTI Data Distribution Service to use its own thread to send data, instead of the user thread
DDS_QosPolicyCountType to hold a counter for a DDS_QosPolicyId_t
DDS_QosPolicyCountSeqDeclares IDL sequence < DDS_QosPolicyCount >
DDS_ReaderDataLifecycleQosPolicyControls how a DataReader manages the lifecycle of the data that it has received
DDS_ReceiverPoolQosPolicyConfigures threads used by RTI Data Distribution Service to receive and process data from transports (for example, UDP sockets)
DDS_ReliabilityQosPolicyIndicates the level of reliability offered/requested by RTI Data Distribution Service
DDS_ReliableReaderActivityChangedStatus<<eXtension>> Describes the activity (i.e. are acknowledgements forthcoming) of reliable readers matched to a reliable writer
DDS_ReliableWriterCacheChangedStatus<<eXtension>> A summary of the state of a data writer's cache of unacknowledged samples written
DDS_ReliableWriterCacheEventCount<<eXtension>> The number of times the number of unacknowledged samples in the cache of a reliable writer hit a certain well-defined threshold
DDS_RequestedDeadlineMissedStatusDDS_REQUESTED_DEADLINE_MISSED_STATUS
DDS_RequestedIncompatibleQosStatusDDS_REQUESTED_INCOMPATIBLE_QOS_STATUS
DDS_ResourceLimitsQosPolicyControls the amount of physical memory allocated for DDS entities, if dynamic allocations are allowed, and how they occur. Also controls memory usage among different instance values for keyed topics
DDS_RtpsReliableReaderProtocol_tQos related to reliable reader protocol defined in RTPS
DDS_RtpsReliableWriterProtocol_tQoS related to the reliable writer protocol defined in RTPS
DDS_RtpsWellKnownPorts_tRTPS well-known port mapping configuration
DDS_SampleIdentity_tType definition for an Sample Identity
DDS_SampleInfoInformation that accompanies each sample that is read or taken
DDS_SampleInfoSeqDeclares IDL sequence < DDS_SampleInfo >
DDS_SampleLostStatusDDS_SAMPLE_LOST_STATUS
DDS_SampleRejectedStatusDDS_SAMPLE_REJECTED_STATUS
DDS_SequenceNumber_tType for sequence number representation
DDS_ShortSeqInstantiates FooSeq < DDS_Short >
DDS_StringSeqInstantiates FooSeq < char* > with value type semantics
DDS_StringTypeSupport<<interface>> String type support
DDS_StructMemberA description of a member of a struct
DDS_StructMemberSeqDefines a sequence of struct members
DDS_SubscriberListener<<interface>> DDS_Listener for status about a subscriber
DDS_SubscriberQosQoS policies supported by a DDS_Subscriber entity
DDS_SubscriberSeqDeclares IDL sequence < DDS_Subscriber >
DDS_SubscriptionBuiltinTopicDataEntry created when a DDS_DataReader is discovered in association with its Subscriber
DDS_SubscriptionBuiltinTopicDataSeqInstantiates FooSeq < DDS_SubscriptionBuiltinTopicData >
DDS_SubscriptionBuiltinTopicDataTypeSupportInstantiates TypeSupport < DDS_SubscriptionBuiltinTopicData >
DDS_SubscriptionMatchedStatusDDS_SUBSCRIPTION_MATCHED_STATUS
DDS_SystemResourceLimitsQosPolicyConfigures DDS_DomainParticipant-independent resources used by RTI Data Distribution Service. Mainly used to change the maximum number of DDS_DomainParticipant entities that can be created within a single process (address space)
DDS_ThreadSettings_tThe properties of a thread of execution
DDS_Time_tType for time representation
DDS_TimeBasedFilterQosPolicyFilter that allows a DDS_DataReader to specify that it is interested only in (potentially) a subset of the values of the data
DDS_TopicBuiltinTopicDataEntry created when a Topic object discovered
DDS_TopicBuiltinTopicDataSeqInstantiates FooSeq < DDS_TopicBuiltinTopicData >
DDS_TopicBuiltinTopicDataTypeSupportInstantiates TypeSupport < DDS_TopicBuiltinTopicData >
DDS_TopicDataQosPolicyAttaches a buffer of opaque data that is distributed by means of Built-in Topics during discovery
DDS_TopicListener<<interface>> DDS_Listener for DDS_Topic entities
DDS_TopicQosQoS policies supported by a DDS_Topic entity
DDS_TransportBuiltinQosPolicySpecifies which built-in transports are used
DDS_TransportMulticastMapping_tType representing a list of multicast mapping elements
DDS_TransportMulticastMappingFunction_t
DDS_TransportMulticastMappingQosPolicySpecifies a list of topic_expressions and multicast addresses that can be used by an Entity with a specific topic name to receive data
DDS_TransportMulticastMappingSeqDeclares IDL sequence< DDS_TransportMulticastMapping_t >
DDS_TransportMulticastQosPolicySpecifies the multicast address on which a DDS_DataReader wants to receive its data. It can also specify a port number as well as a subset of the available (at the DDS_DomainParticipant level) transports with which to receive the multicast data
DDS_TransportMulticastSettings_tType representing a list of multicast locators
DDS_TransportMulticastSettingsSeqDeclares IDL sequence< DDS_TransportMulticastSettings_t >
DDS_TransportPriorityQosPolicyThis QoS policy allows the application to take advantage of transports that are capable of sending messages with different priorities
DDS_TransportSelectionQosPolicySpecifies the physical transports a DDS_DataWriter or DDS_DataReader may use to send or receive data
DDS_TransportUnicastQosPolicySpecifies a subset of transports and a port number that can be used by an Entity to receive data
DDS_TransportUnicastSettings_tType representing a list of unicast locators
DDS_TransportUnicastSettingsSeqDeclares IDL sequence< DDS_TransportUnicastSettings_t >
DDS_TypeCodeThe definition of a particular data type, which you can use to inspect the name, members, and other properties of types generated with rtiddsgen or to modify types you define yourself at runtime
DDS_TypeCodeFactoryA singleton factory for creating, copying, and deleting data type definitions dynamically
DDS_TypeSupportQosPolicyAllows you to attach application-specific values to a DataWriter or DataReader that are passed to the serialization or deserialization routine of the associated data type
DDS_UnionMemberA description of a member of a union
DDS_UnionMemberSeqDefines a sequence of union members
DDS_UnsignedLongLongSeqInstantiates FooSeq < DDS_UnsignedLongLong >
DDS_UnsignedLongSeqInstantiates FooSeq < DDS_UnsignedLong >
DDS_UnsignedShortSeqInstantiates FooSeq < DDS_UnsignedShort >
DDS_UserDataQosPolicyAttaches a buffer of opaque data that is distributed by means of Built-in Topics during discovery
DDS_ValueMemberA description of a member of a value type
DDS_ValueMemberSeqDefines a sequence of value members
DDS_VendorId_t<<eXtension>> Type used to represent the vendor of the service implementing the RTPS protocol
DDS_WaitSetProperty_t<<eXtension>> Specifies the DDS_WaitSet behavior for multiple trigger events
DDS_WcharSeqInstantiates FooSeq < DDS_Wchar >
DDS_WireProtocolQosPolicySpecifies the wire-protocol-related attributes for the DDS_DomainParticipant
DDS_WriteParams_t<<eXtension>> Input parameters for writing with FooDataWriter_write_w_params, FooDataWriter_dispose_w_params, FooDataWriter_register_instance_w_params, FooDataWriter_unregister_instance_w_params
DDS_WriterDataLifecycleQosPolicyControls how a DDS_DataWriter handles the lifecycle of the instances (keys) that it is registered to manage
DDS_WstringSeqInstantiates FooSeq < DDS_Wchar* >
FooA representative user-defined data type
FooDataReader<<interface>> <<generic>> User data type-specific data reader
FooDataWriter<<interface>> <<generic>> User data type specific data writer
FooSeq<<interface>> <<generic>> A type-safe, ordered collection of elements. The type of these elements is referred to in this documentation as Foo
FooTypeSupport<<interface>> <<generic>> User data type specific interface
NDDS_Config_LibraryVersion_tThe version of a single library shipped as part of an RTI Data Distribution Service distribution
NDDS_Config_Logger<<interface>> The singleton type used to configure RTI Data Distribution Service logging
NDDS_Config_Version_t<<interface>> The version of an RTI Data Distribution Service distribution
NDDS_Transport_Address_tAddresses are stored individually as network-ordered bytes
NDDS_Transport_Property_tBase structure that must be inherited by derived Transport Plugin classes
NDDS_Transport_Shmem_Property_tSubclass of NDDS_Transport_Property_t allowing specification of parameters that are specific to the shared-memory transport
NDDS_Transport_Support<<interface>> The utility class used to configure RTI Data Distribution Service pluggable transports
NDDS_Transport_UDPv4_Property_tConfigurable IPv4/UDP Transport-Plugin properties
NDDS_Transport_UDPv6_Property_tConfigurable IPv6/UDP Transport-Plugin properties
NDDS_UtilityUnsupported utility APIs
TransportAllocationSettings_tAllocation settings used by various internal buffers

RTI Data Distribution Service C API Version 4.5e Copyright © 23 Oct 2011 Real-Time Innovations, Inc